S7-1500 高数计数模块6ES7552-1AA00-0AB0
S7-1500 RS422-485通讯模块6ES7540-1AB00-0AA0
S7-1500 RS422-485通信模块6ES7541-1AB00-0AB0
S7-1500 RS232通信模块6ES7541-1AD00-0AB0
S7-1500 RS-232通信模块6ES7540-1AD00-0AA0
S7-1500 PS60W电源6ES7507-0RA00-0AB0
S7-1500 PS60W电源6ES7505-0RB00-0AB0
S7-1500 PS60W电源6ES7505-0RA00-0AB0
S7-1500 PS25W电源 6ES7505-0KA00-0AB0
S7-1500 PM1507电源8A 6EP1333-4BA00